Examples of geologic time in a Sentence
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The river tumbles and seethes through 278 miles of Grand Canyon National Park, taking its geologic time in carving a trench now deeper than a mile.
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Brandon Loomis, AZCentral.com, 15 Dec. 2025
Though in geologic time, the advent of the Industrial Revolution is only a hair’s breadth removed from our current moment, that’s cold comfort to people born after 9/11.
—Hazlitt, 3 Dec. 2025
Over geologic time, meteorite hits on the lunar landscape have stirred up the fluffy regolith, with He-3 being distributed down to several meters in depth.
—Leonard David, Space.com, 30 Sep. 2025
Five million years is an eyeblink in geologic time.
—Peter Brannen, Quanta Magazine, 15 Sep. 2025
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Brandon Loomis, AZCentral.com, 15 Dec. 2025
Though in geologic time, the advent of the Industrial Revolution is only a hair’s breadth removed from our current moment, that’s cold comfort to people born after 9/11.
—Hazlitt, 3 Dec. 2025
Over geologic time, meteorite hits on the lunar landscape have stirred up the fluffy regolith, with He-3 being distributed down to several meters in depth.
—Leonard David, Space.com, 30 Sep. 2025
Five million years is an eyeblink in geologic time.
—Peter Brannen, Quanta Magazine, 15 Sep. 2025
See All Example Sentences for geologic time
Cite this Entry
“Geologic time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geologic%20time. Accessed 20 Dec. 2025.
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geologic time
noun
: the long period of time marked by events in the earth's geological history
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